Tag Archives: aging

The Coming Alzheimer’s Epidemic

Alzheimer’s disease is a disease that strikes terror into many of us, especially as we get older.

Alzheimer’s is a very serious brain disease that attacks the parts of the brain responsible for the creation of memory and for thinking.

The Coming Alzheimer’s Epidemic

As the disease progresses, more and more parts of the brain become affected. The patient loses the ability to live independently, and the sense of self and identity disappears. Eventually The Coming Alzheimer's Epidemicthe patient dies.

Alzheimer’s is not the only disease that causes dementia, but it is probably the best known to the general public.

When Alzheimer’s strikes someone, we watch as the person afflicted slowly fades away in front of us, and eventually disappears to a place where they can’t be reached.

We may personally know people, who have been afflicted by Alzheimer’s disease. We may have visited a nursing home where many of the elderly residents sat staring blankly and unaware. We shuddered inwardly, thinking, “I hope that never happens to me.”

Part of the reason we fear this disease so much is because it is so mysterious. We don’t know what causes Alzheimer’s. We don’t know how to cure it. We don’t even have a surefire test to diagnose Alzheimer’s while the victim is still alive.

The incidence of Alzheimer’s disease tends to get higher as the population ages. In the age group 65-75, approximately four per cent of the population may be diagnosed with Alzheimer’s. In the age group of 85 years or older, about 50% of the population has Alzheimer’s disease.

Alzheimer’s disease is a growing problem all over the world because the population in most countries is growing older and older on average. In many countries, more and more people are surviving to the age where the incidence of the disease becomes more common.

At the present time, up to four million North Americans are believed to be affected by Alzheimer’s disease. In twenty years, that number may go up to ten million. India has the some of the lowest rates of Alzheimer’s in the world, but scientists don’t know why the rate of the disease in India is so low.

Alzheimer’s disease is named after Dr. Alois Alzheimer who studied and described this disease in Germany in the early years of the twentieth century. Dr. Alzheimer was the first to discover and analyze the massive destruction of brain cells in a middle-aged woman who had been stricken with dementia and eventually died from it.

When Dr. Alzheimer studied this woman’s brain after she died, he noticed that her brain was filled with microscopic plaques and tangles. These plaques and tangles had killed her brain cells.

The disease starts out with small lapses in the ability to make and retrieve short-term memories. With this comes a decline in the ability to reason and the ability to concentrate. The person affected may forget the names of familiar objects, or get lost in a familiar place. Personality changes may become apparent.

This decline in mental processing happens because of the destruction of brain cells that are needed to form and retrieve memories. At the same time, there is a progressive decline in the the brain’s supply of neurotransmitters required to carry messages from one brain cell to another.

In the initial stages, it is very hard to differentiate Alzheimer’s disease from other types of memory loss.

As the disease progresses, more and more brain cells die. Memory test scores may decline by 10 to 15% each year. Eventually, the patient will have difficulty performing the simplest actions required for daily living. The vocabulary dwindles to a few dozen words, then disappears altogether. Friends and family will not be recognized. The “self” fades away.

In the final stages, the patient will be completely unable to look after herself, unable to feed, walk or control the bladder and bowel. Death often occurs from pneumonia or infection.

Alzheimer’s may strike people in their twenties, but is very rare in that age group. It becomes increasingly common with advanced aging. As women tend to live longer than men by several years, they are more likely to live long enough to be afflicted with Alzheimer’s.

From the initial diagnosis to the time of death may be a period of seven to twenty years. The toll of the disease on the family and on society is very high.

Unless a cure is found soon, the costs of institutionalizing those millions who will fall victim to Alzheimer’s in the coming decades will consume many billions of dollars.

The toll on the families of those afflicted is very high. For the person who is afflicted with this disease, the loss of memory, of thinking ability, of the personal sense of self is the greatest tragedy of all.

What is the cause of Alzheimer’s disease? Is the cause genetic? Is it environmental? Is Alzheimer’s caused by a virus? Does Alzheimer’s have only one cause, or are there many contributing factors? Will a cure for Alzheimer’s be discovered?

These are questions that scientists are racing to answer.

 

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Can We Stop the Aging Process?

Most of us enjoy growing older, right until the point that being old starts to be a problem. Why does our body grow old, and is there anything we can do to stop the aging process? Scientists are rushing to find the answers.

If you’re still alive, you’re growing older every day.

You may not notice it, but you are.

Can We Stop the Aging Process?

When we make that great shift out of our teenage years into our twenties, most of the changes we encounter about growing older are good.Can We Stop the Aging Process?

When we are in our twenties, growing older means a lot more freedom and a lot of adventure. Physically, we are at our peak of perfection.

In our thirties, we are starting to enjoy many of the benefits of growing older as we accumulate more wisdom and in most cases, continue to have a body and a brain that’s still in great shape.

But there comes a time, perhaps in our fifth decade, or in our sixth, when growing older starts to have some negative effects we don’t really like.

We may not be as physically fit as we used to be. We start to get sags and bags. We get aches and pains. We may be showing some forgetfulness.

Our beautiful perfection of youth is gone.

Why do we age?

Over the centuries, people have often wondered how it is that our bodies grow and develop from a tiny fertilized egg, to a newborn baby, to a young child, then a teenager and, finally, a young adult. A huge number of very complex changes within our bodies must happen perfectly in order to achieve this.

Once we grow into our adult perfection, why can’t we just stay there? Why do we have to age?

And can we stop it?

Doctors and scientists used to take aging for granted. Scientists used to think that because aging was a natural process, there was no need to investigate it.

Now, as increasing numbers of baby boomers are turning fifty, anxious to hang on to some semblance of youth, more and more research is being devoted to the topic of aging.

Scientists are trying to find out how and why we age, and they are investigating possible ways to slow down the aging process, or perhaps even stop it altogether.

If new ways are found to extend physical and mental health for the aging population, the benefits to society will be enormous.

Although all of us want to live a long time, none of us wants to spend our final years in physical pain or suffering from mental decline.

Scientists have been able to identify some of the factors that influence the process of aging, and new knowledge is accumulating at a rapid rate. Dozens of theories to explain aging have been proposed, but it seems that aging is a very complex, and several processes are interlinked.

Here are some of the current theories about why we age:

Hayflick Limit Theory – Two scientists in the 1960’s noticed that many human cells would divide a limited number of times, then stop. If the cells were well fed, they divided faster. Body cells may have a built-in genetic program that tells them not to reproduce anymore.

Free Radical Theory – Free radicals are molecules or atoms that have an unpaired electron. In order to be electrically balanced, these molecules or atoms will grab an electron from a nearby atom, thereby creating another free radical, eventually resulting in a cascading chain of damage to cells and organs.

Free radical formation may not account for all the symptoms of aging, but it probably does play an important part in accelerating cellular damage. Free radicals are unavoidable. They are an inevitable consequence of living in a physical body. However, there are steps we can take to slow down free radical damage, such as avoiding pollutants, and eating a lot of fresh fruits and vegetables.

The Telomere Theory – Telomeres are special types of chemicals that seem to have some ability to protect the chromosomes inside our cells. Every time our cells divide, the telemeres become shorter and less able to protect the chromosome. This may explain why the cells eventually become damaged and die. Scientists are currently trying to find out how to repair telomeres and stop the damage to the cells.

Glycation – When proteins in your body react with excess blood sugar, the proteins become damaged. This process is known as “glycation”. These sugar-damaged proteins may contribute to the breakdown of many other systems in the body. People who have diabetes or problems with insulin resistance are particularly vulnerable to glycation damage because of abnormalities in their blood sugar levels.

If it turns out to be true that glycation plays a major part in causing the negative effects of aging, we may be able to slow it down by making sure we avoid excess blood sugar levels.

Here are some other factors that play a part in aging:

-We experience a steep decline in hormone production in our later years
-Our body becomes less efficient at detoxifying
-The DNA in our cells becomes damaged
-A life time of exposure to stress and environmental toxins in our air, food and water overwhelms our body’s repair systems.

These are some of the explanations for why we age, but it’s not a complete picture. At the present time, we don’t yet know all the reasons for this process. And so far, there is no single magic bullet to stop it.

If scientists can learn how to slow down the process of aging, we will be able to spend many more happy years enjoying our lives while maintaining our peak of physical perfection.

And that’s something to look forward to!

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What Are Antioxidants? Why Eating Fish Prevents Cancer!

What Are Antioxidants?

Antioxidants are molecules which can safely interact with free radicals and terminate the chain reaction before vital molecules are damaged. Although there are several enzyme systems within the body that scavenge free radicals, the principle micronutrient antioxidants are vitamin E, beta-carotene, and vitamin C.

Selenium, a trace metal that is required for proper function of one of the body’s antioxidant enzyme systems, is sometimes included in this category. The body cannot manufacture these micronutrients so they must be supplied in the diet. So it is important to know what are antioxidants.

Why Eat Fish Weekly?

what are antioxidantsBest choices are oily fish rich in healthy omega-3 fatty acids, such as herring, sardines, salmon, lake trout, mackerel and albacore tuna. But forgo fish oil capsules unless you have been diagnosed with heart disease and can’t eat at least two meals of fish per week. People with high triglyceride levels who are under the care of a physician may benefit from omega-3 fatty acids in capsules. The U.S. guidelines also recommend two servings of fish per week, but they doesn’t address fish oil capsules in the same detail as AHA.

Can antioxidants prevent cancer?

That is a good question. And what are antioxidants role? Considerable laboratory evidence from chemical, cell culture, and animal studies indicates that antioxidants may slow or possibly prevent the development of cancer. However, information from recent clinical trials is less clear. In recent years, large-scale, randomized clinical trials reached inconsistent conclusions.

Various new researches show that a serving of almonds, for instance, contains the same amount of antioxidants called flavonoids as a serving of broccoli. And a one ounce serving of almonds provides as much of these antioxidants as found in a cup of brewed black or green tea, in addition to being an excellent source of vitamin E!

Furthermore, the researchers noted that the main antioxidant compounds found in almonds, catechin, epicatechin and kaempferol, are also the ones that provide the highest degree of protection against cell death from oxidants, a mechanism that appears to play an important role in reducing the risk of chronic diseases.

By knowing what are antioxidants, you will learn that antioxidants are abundant in fruits and vegetables, as well as in other foods including nuts, grains and some meats, poultry and fish. We urge you to find out more about Antioxidants today!

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Food and Ageing: Your Food Can Prematurely Age You!

Did you know that the food you eat could be prematurely ageing you? Food and ageing is important. Science has made some amazing discoveries in the last decade in nutrition. We really should be taking note of what we put in our mouth because more than ever, “we are what we eat”. Do you know the impact of what you are eating? Probably not. It’s time to find out because over-indulgence in certain types of food cause the body to prematurely age.

Food and ageing

Did you know that the food you eat could be prematurely ageing you? Science has made some amazing discoveries in the last decade in nutrition. We really should be taking note of what we put in our mouth because more than ever, “we are what we eat”. Do you know the impact of what you are eating? Probably not. It’s time to find out because over-indulgence in certain types of food cause the body to prematurely age. This is a primary link between food and ageing.

Would you like some more free radicals with your lunch…? There is frequent mention these days about ‘free radicals’ and how they are constantly attacking the body, causing potentially serious damage.

A free radical is the name for a molecule that has an unpaired electron. They are a normal by-product of metabolism and without them you would die.food and ageing

To put the record straight, when linking food and ageing, it’s the over-production of free radicals that causes damage to the body. We are advised by nutritional experts to eat plenty of fruit and vegetables.

This is because they are rich in antioxidant phytonutrients…substances that neutralise free radicals and so help protect the body.

One of the essential tasks of free radicals is in producing energy from the food you eat. Every time you eat, free radical activity is intense. The more food you eat, the more free radicals are formed, and the more antioxidants your body needs to neutralise them. Big meals are big trouble!

Effective Antioxidants include vitamins A, C, E; minerals such as selenium, zinc, and herbs such as aloe vera and grapeseed extract.

The Reality of Carbohydrates

Carbohydrates are root vegetables, pasta, rice, bread, grains, fruit, pastries, cakes, biscuits, crisps, sweets etc. They are easy to prepare, filling, tasty and cheap. Most meals are dominated by carbohydrates, as most of us ‘full up’ on them. When you eat carbohydrates you’re eating a form of sugar. Another link between food and ageing.

Carbohydrates are converted by the body into glucose, which is either used immediately for energy, or stored in fat cells. Carbohydrates make up an excessive proportion of the diet, add together a lack of exercise and excess sugar and the inevitable result is excess weight.

By reducing your overall carbohydrate intake and reducing the size of your meals, you reduce your body’s exposure to free radical activity, and, the amount of excess food that meals, you reduce your body’s exposure to free radical activity, and, the amount of excess food that gets stored as unwanted fat. A double bonus!

Big meals are too much stress

Food is in abundance – look around the supermarket shelves at the food mountain! Fill your trolley, take it home and fill your kitchen cupboards – fill your plate and fill your stomach till you can barely move. How many times a week do you overeat? How many free radicals are attacking your body and accelerating the aging process? Thank of how this impacts food and ageing. You could choose to eat less.

Think about your meals over the last week.

Better still, keep a food diary for the next week, record each meal by drawing a plate divided up showing how much protein, carbohydrate, fat, vegetables and fruit you eat at each meal/snack. After a week you’ll be able to see for yourself how much sugar you are eating.

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